a) Vigrex

Cat No. Socket Cone Effective length mm.

1.1 B 24 B 24 360

1.2 B 24 B 24 600

1.3 B 29 B 29 360

1.4 B 34 B 34 750

b) Dufton

Cat No. Socket Cone Effective length mm.

2.1 B 24 B 19 150

2.2 B 24 B 19 300

2.3 B 24 B 24 150

2.4 B 24 B 24 300

c) Pear Bulb

3.1 B 34 B 24 130

3.2 B 34 B 24 250

3.3 B 34 B 24 500

d) Plain designed for use with various types of columns packing.

Cat No. Socket Cone Effective length mm.

4.1 B 24 B 24 250

4.2 B 24 B 24 500

4.3 B 24 B 24 750

4.4 B 34 B 24 250

4.5 B 34 B 24 500

4.6 B 34 B 24 600

e) Rod and Disk Pattern :Cat.No. No. of Disc

5.1 15

5.2 20

f) Pear shaped bulbsCat.No. No. of Disc

6.1 4

6.2 8